What is a vga cable

Card information will eventually be processed output to the monitor, video card output connector is a bridge between the computer and the monitor, which is responsible for the telephone connector output corresponding to the image signal. CRT monitors on the design and manufacture of reasons, can only receive analog signal input, which requires graphics input analog signal. vga cable analog signal is output on the graphics interface, VGA (Video Graphics Array) port, also called D-Sub connector. Although the LCD monitor can receive digital signals directly, but many low-end rj45 socket in order to match with the VGA interface card, which uses the VGA connector. VGA interface is a D-type interface, there are above 15-pin space, divided into three rows, each row of five. VGA graphics card interface is the most widely used type of interface, the vast majority of graphics cards with such an interface.